From the Beeb:
Microsoft has also offered guidance to those experiencing difficulties.
"Some customers using Windows 10 have reported difficulties connecting to the internet," said a spokeswoman for Microsoft.
"As a first step, we recommend customers restart their PCs.
"If this does not resolve the problem, visit our website for further support."
If this is the best they can suggest, visiting their web sight when unable to connect to the internet, I would recommend upgrading to a Mac.